{"product_id":"ams-a4521-kn95-pre-filter-cotton","title":"AMS A4521 Particulate Pre-Filter Cottons","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003eConstant exposure to fine sawdust and wet paint mist quickly ruins expensive carbon cartridges. The \u003cstrong\u003eAMS Axemis A4521 Particulate Pre-Filter Cottons\u003c\/strong\u003e serve as your first line of defense, intercepting hazardous particles before they compromise your paint mask respirator.\u003c\/p\u003e\n\u003ch3\u003eCore Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdvanced Particle Shield:\u003c\/strong\u003e Engineered with 4-layer Meltblown electrostatic technology. It efficiently captures fine dust, metal particles, and welding fumes to ensure maximum respiratory safety.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e10X Main Cartridge Lifespan:\u003c\/strong\u003e Acts as a robust barrier against heavy paint mist and coarse construction dust. This prevents premature clogging of your primary carbon filters, significantly reducing operational costs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless Breathing:\u003c\/strong\u003e The smart electrostatic magnetic structure maintains superior air circulation. Experience minimal breathing resistance, preventing fatigue during long and demanding shifts.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure Clip-On Connection:\u003c\/strong\u003e Designed for an exact fit, the cotton filter rests flat on the cartridge and locks tightly with a retainer to guarantee zero air leakage.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eImportant Compatibility Notice\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eExclusive Own-Brand Fit:\u003c\/strong\u003e Engineered specifically for seamless integration with \u003cstrong\u003eAxemis A4520 cartridges\u003c\/strong\u003e and the \u003cstrong\u003eAxemis A420P respirator mask with filters\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrictly Non-Compatible (Negative Fit):\u003c\/strong\u003e These pre-filters \u003cstrong\u003ecannot\u003c\/strong\u003e replace the 3M 501 retainer or filters. They are entirely incompatible with any respirator system utilizing the 3M 501 clip standard.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Is Included\u003c\/h3\u003e\n\u003cp\u003ePlease select your preferred package size from the variant options. Each sealed package contains:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAMS Axemis A4521 Particulate Pre-Filter Cottons\u003c\/strong\u003e (Quantity depends on the selected variant).\u003c\/li\u003e\n\u003cli\u003e\u003cem\u003eNote: Retainers, carbon cartridges, and main paint respirator masks are sold separately and are not included.\u003c\/em\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"AMS Armor","offers":[{"title":"Starter (10 Pre-filters)","offer_id":51699399065899,"sku":"A4521","price":9.99,"currency_code":"USD","in_stock":true},{"title":"Pro (10 Pre-filters+ 1 Filter Cover)","offer_id":51699399098667,"sku":"A4521-1","price":12.99,"currency_code":"USD","in_stock":true},{"title":"Master (20 Pre-filters+ 2 Filter Cover)","offer_id":51699399131435,"sku":"A4523-2","price":24.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/4702\/7755\/files\/1_c9cdae69-ed97-4314-9276-debe3cb74d83.jpg?v=1773118932","url":"https:\/\/amsarmor.com\/products\/ams-a4521-kn95-pre-filter-cotton","provider":"AMS","version":"1.0","type":"link"}